[Devel] Re: [PATCH 7/8] Do not recompute msgmni anymore if explicitely set by user

[Andrew Morton]

On Tue, 12 Feb 2008 16:15:00 +0100
Nadia Derbey <Nadia.Derbey at bull.net> wrote:

> Andrew Morton wrote:
> > On Tue, 12 Feb 2008 10:32:31 +0100 Nadia Derbey <Nadia.Derbey at bull.net> wrote:
> > 
> > 
> >>it builds fine, modulo some changes in ipv4 and ipv6 (see attached patch 
> >>- didn't find it in the hot fixes).
> > 
> > 
> > OK, thanks for checking.  Did you confirm that we don't have unneeded code
> > in vmlinux when CONFIG_PROCFS=n?  I guess before-and-after comparison of
> > the size(1) output would tell us.
> > 
> > Those networking build problems appear to have already been fixed.
> > 
> > In future, please quote the compiler error output in the changelog when
> > sending build fixes or warning fixes, thanks.
> > 
> > 
> > 
> 
> BEFORE:
> 
> lkernel at akt$ size vmlinux
>     text    data     bss     dec     hex filename
> 4318525  454484  462848 5235857  4fe491 vmlinux
> 
> 
> AFTER:
> 
> lkernel at akt$ size vmlinux
>     text    data     bss     dec     hex filename
> 4323161  454484  462848 5240493  4ff6ad vmlinux
> 
> which makes it +4636 = +0.11%
> 
> I've got the details for */built-in.o if needed.
> 

That seems to be a lot of increase.  Are you sure you had CONFIG_PROCFS=n
in both cases?  If so, the patch must have added a lot of code which will
never be executed?

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